NMFN-package {NMFN}R Documentation

Non-negative Matrix Factorization

Description

Non-negative Matrix Factorization

Details

Package: NMFN
Type: Package
Version: 1.0
Date: 2009-11-24
License: GPL
LazyLoad: yes

Author(s)

Suhai (Timothy) Liu <suhai_tim_liu@hotmail.com> based on multiplicative updates (Lee and Sung 2001) and alternating least squares algorithm; Lars Kai Hansen's nnmf_als Matlab implementation; Torsten Hothorn's Moore-Penrose inverse function

References

Lee and Sung - Algorithms for non-negative matrix factorization. In Advances in Neural Information Processing Systems 13, 2001.

Examples


X <- matrix(1:12,3,4) 
ss <- nnmf(X,3)            # 3 factors
sx <- nnmf(X,3,'nnmf_als')  # 3 factors


[Package NMFN version 1.0 Index]